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using System;
using System.Globalization;
using System.Windows.Controls;
namespace MaterialDesignDemo.Domain
{
public class FutureDateValidationRule : ValidationRule
{
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
DateTime time;
if (!DateTime.TryParse((value ?? "").ToString(),
CultureInfo.CurrentCulture,
DateTimeStyles.AssumeLocal | DateTimeStyles.AllowWhiteSpaces,
out time)) return new ValidationResult(false, "Invalid date");
return time.Date <= DateTime.Now.Date
? new ValidationResult(false, "Future date required")
: ValidationResult.ValidResult;
}
}
}
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